56520570 has 32 divisors (see below), whose sum is σ = 136307520. Its totient is φ = 14999040.

The previous prime is 56520557. The next prime is 56520589. The reversal of 56520570 is 7502565.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1866 + ... + 10794.

It is an arithmetic number, because the mean of its divisors is an integer number (4259610).

Almost surely, 2^56520570 is an apocalyptic number.

56520570 is an abundant number, since it is smaller than the sum of its proper divisors (79786950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56520570 is a wasteful number, since it uses less digits than its factorization.

56520570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9150.

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 56520570 is about 7518.0163607164. The cubic root of 56520570 is about 383.7680755561.

The spelling of 56520570 in words is "fifty-six million, five hundred twenty thousand, five hundred seventy".